I55SB to I69WB over US 51
DeSoto County, Mississippi · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I55SB to I69WB over US 51 in DeSoto County, Mississippi, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 2006, making it 19 years old at the 2025 inventory.
- It carries about 2,600 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 152 of the 266 inventoried bridges in DeSoto County rated good (57.1%); 6 (2.3%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated November 2024, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (34.86219, -89.99502)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 227 ft |
| Location | I 69 WB Ramp over US 51 |
| NBI structure number | 37003040170140A |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | November 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Mississippi department of transportation.
Busiest bridges in DeSoto County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 55 over Rocky Creek | 1958 | 89,000 | Fair |
| I 55 over State Line Road | 2007 | 76,000 | Good |
| I 55 over Rascoe Road | 2007 | 44,500 | Good |
| I 55 over Rascoe Road | 2007 | 44,500 | Good |
| Airways Blvd over Rocky Creek | 1983 | 40,000 | Fair |
| SR 302 over Stream | 1994 | 38,000 | Good |
All bridges nearby: DeSoto County, MS bridge conditions · every bridge in DeSoto County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.